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# Limiting Factors that Depend on Population Density **1. Diseases and Parasites** - Infectious diseases and parasites affect densely populated areas. **2. Competition for Resources** - Organisms with better adaptations to obtain resources (food) will be able to reproduce more often, increasing th...

# Limiting Factors that Depend on Population Density **1. Diseases and Parasites** - Infectious diseases and parasites affect densely populated areas. **2. Competition for Resources** - Organisms with better adaptations to obtain resources (food) will be able to reproduce more often, increasing the population. Organisms with limited abilities to compete for resources will reproduce less frequently, potentially living shorter lifespans, and causing a decrease in their population. **3. Predation** - When plenty of prey are available, predators will be able to eat sufficiently, gain energy, reproduce more, and increase their numbers. The prey population will decrease as more are eaten. Eventually, the predator population will reach its carrying capacity, where there will not be enough prey for all predators. Competitors within the predator population will compete for prey. As the prey population decreases, the predator population will also decrease because of a lack of food. **4. Emigration** - Emigration occurs when a population nears its carrying capacity. Individual organisms leave to find new areas with sufficient resources for survival and reproduction. This results in a decrease in the population size. **Figure 2. Diagram of Limiting Factors** *(A diagram is mentioned, but not included in the text. The diagram likely shows a box labeled "Population Density" with arrows representing the factors influencing it. Incoming arrows would show Diseases and Parasites, Competition, Predation and Emigration, with the "Population Density" box at the center.)*